Game guide · YCKJ360
Making your first moves in Water Jug Puzzle
Use the controls beside the game rather than guessing the rules. Measure the target number of litres using two unmarked jugs and only filling, emptying and pouring. Start a new round when you are ready to try again. Choose one of six capacity-and-target puzzles. Both jugs begin empty.
Six verified solvable capacity puzzles, with undo and move count. These are six levels of one game, not six separate games.
Take a closer look while playing
A careful first move helps you understand the round. A pour stops when the source is empty or the destination is full. It cannot stop at an arbitrary amount. Try the rule on the board, then read the next instruction.
Understand the aim
A careful first move helps you understand the round. Measure the target number of litres using two unmarked jugs and only filling, emptying and pouring. The game area remains available above the explanation.
The steps to play
- Choose one of six capacity-and-target puzzles. Both jugs begin empty.
- Fill a jug to its capacity, empty it completely, or pour from one jug into the other.
- A pour stops when the source is empty or the destination is full. It cannot stop at an arbitrary amount.
- Reach the target quantity in either jug. Undo lets you try another route.
How to interact with the game
Read the position before choosing your next action. Use Fill A, Fill B, Empty A, Empty B, Pour A → B and Pour B → A. The display shows current and maximum litres. Keep the goal in mind before your next move.
Put the rules into context
Read the position before choosing your next action. With 3- and 5-litre jugs, fill the 5-litre jug and pour into the 3-litre jug. The 5-litre jug now contains 2 litres. Try the rule on the board, then read the next instruction.
Check this before moving on
A careful first move helps you understand the round. You cannot measure a partial fill directly. Only the allowed actions can create a quantity. Try the rule on the board, then read the next instruction.
Questions about this game
During a round, what is the aim of Water Jug Puzzle?
Measure the target number of litres using two unmarked jugs and only filling, emptying and pouring. Use the labelled controls for your next action.
How do the controls work?
Use Fill A, Fill B, Empty A, Empty B, Pour A → B and Pour B → A. The display shows current and maximum litres. A new round resets the current game.
For this game, can you show an example?
With 3- and 5-litre jugs, fill the 5-litre jug and pour into the 3-litre jug. The 5-litre jug now contains 2 litres. The game is played locally in your browser.
For this game, which mistake should I avoid?
You cannot measure a partial fill directly. Only the allowed actions can create a quantity. The controls work with mouse or touch.
For this game, what rules and limits are used here?
Six verified solvable capacity puzzles, with undo and move count. These are six levels of one game, not six separate games. The worked example offers another way to follow the rule.
On this page, how many people can play here?
Solo. This is local browser play, not internet matchmaking. You can start a new round from the game controls.
Where must the target volume end up?
In either jug. The other jug may contain any legal amount. The instructions above use these same rules.
For this game, can I stop a pour halfway?
No. The source must empty or the destination must fill. The instructions above use these same rules.
For this game, why is an action disabled?
It would not change the current jug contents, such as filling a full jug. The controls work with mouse or touch.
On this page, how many puzzles are included?
Six capacity-and-target combinations are selectable on the board. A new round resets the current game.